Home / 7,000.49-10,502.63-2,618.39

Finding the Fourth Proportional to 7,000.49, 10,502.63 and 2,618.39

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Solution

The fourth proportional to 7,000.49, 10,502.63 and 2,618.39 is: 3,928.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000.49 : 10,502.63 = 2,618.39 : x
  2. Step 2: Convert to fraction form
    7,000.49/10,502.63 = 2,618.39/x
  3. Step 3: Cross multiply
    7,000.49x = 10,502.63 × 2,618.39
  4. Step 4: Simplify right side
    7,000.49x = 27,499,981.37
  5. Step 5: Solve for x
    x = 27,499,981.37/7,000.49
  6. Step 6: Final answer
    x = 3,928.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.